--- Makefile	2008-10-13 18:44:04.000000000 -0300
+++ Makefile.diff	2009-04-06 14:41:17.000000000 -0300
@@ -13,7 +13,7 @@
 
 PROG = 			fxload
 
-CFLAGS =		-O -Wall $(RPM_OPT_FLAGS)
+CFLAGS +=		-Wall $(RPM_OPT_FLAGS)
 
 FILES_SRC_C =		ezusb.c main.c
 FILES_SRC_H =		ezusb.h
